
#include <iostream>
#include <fstream>

using namespace std;

int main() {
  
  string inputName;
  string outputName;
  cout << "\n input file = "; cin >> inputName;
  cout << "\n output file = "; cin >> outputName;
  
  ifstream input_fp (inputName.c_str()); 
  ofstream output_fp (outputName.c_str()); 

  double ts = 0.0005, step, error;
  for(int i = 1; i <= 1600; ++i) {
    input_fp >> step >> error;
    output_fp << step * ts << "\t" << error << endl;
  }

  cout << "\n FIN \n";

  return 0;
}
